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BOSTON MARATHON 2026

Jillian Lee

Bib: 20345•F

IN

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:50
3.11 mi
Rank: #20851
Start → 5K
26:50 | 8:39/mi
10K
54:02
6.21 mi
Rank: #21297 (-446)
5K → 10K
27:12 | 8:46/mi
15K
1:21:26
9.32 mi
Rank: #21466 (-169)
10K → 15K
27:24 | 8:50/mi
20K
1:49:34
12.43 mi
Rank: #21629 (-163)
15K → 20K
28:08 | 9:04/mi
HALF
1:55:33
13.11 mi
Rank: #21619 (+10)
20K → HALF
5:59 | 8:47/mi
25K
2:17:56
15.53 mi
Rank: #21691 (-72)
HALF → 25K
22:23 | 9:14/mi
30K
2:49:25
18.64 mi
Rank: #22136 (-445)
25K → 30K
31:29 | 10:09/mi
20M
3:02:54
20.00 mi
Rank: #22169 (-33)
30K → 20M
13:29 | 9:56/mi
21M
3:14:10
21.00 mi
Rank: #22326 (-157)
20M → 21M
11:16 | 11:16/mi
35K
3:21:29
21.75 mi
Rank: #22338 (-12)
21M → 35K
7:19 | 9:47/mi
23M
3:35:01
23.00 mi
Rank: #22476 (-138)
35K → 23M
13:32 | 10:49/mi
24M
3:46:04
24.00 mi
Rank: #22638 (-162)
23M → 24M
11:03 | 11:03/mi
40K
3:54:53
24.85 mi
Rank: #22625 (+13)
24M → 40K
8:49 | 10:19/mi
25.2M
3:59:00
25.20 mi
Rank: #22665 (-40)
40K → 25.2M
4:07 | 11:57/mi
FINISH
4:09:02
26.22 mi
Rank: #22683 (-18)
25.2M → FINISH
10:02 | 9:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:33
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:13:29
Pace10:11 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:3726:508:3926:50
8:39
-
10K
6.21 mi11:38:4954:028:4227:12
8:46
+0:07
15K
9.32 mi12:06:131:21:268:4527:24
8:50
+0:04
20K
12.43 mi12:34:211:49:348:4928:08
9:04
+0:14
HALF
13.11 mi12:40:201:55:338:495:59
8:47
-0:17
25K
15.53 mi13:02:432:17:568:5322:23
9:14
+0:27
30K
18.64 mi13:34:122:49:259:0631:29
10:09
+0:55
20M
20.00 mi13:47:413:02:549:0913:29
9:56
-0:13
21M
21.00 mi13:58:573:14:109:1511:16
11:16
+1:20
35K
21.75 mi14:06:163:21:299:167:19
9:47
-1:29
23M
23.00 mi14:19:483:35:019:2113:32
10:49
+1:02
24M
24.00 mi14:30:513:46:049:2611:03
11:03
+0:14
40K
24.85 mi14:39:403:54:539:288:49
10:19
-0:44
25.2M
25.20 mi14:43:473:59:009:304:07
11:57
+1:38
FINISH
26.22 mi14:53:494:09:029:3110:02
9:51
-2:06

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:39 /mi

Average Pace

9:30 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:17:56

55% of race

Time at Steady Pace

1:11:08

29% of race

Time at Slower Pace

39:58

16% of race

Average Pace: 9:30 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:3726:508:3926:50
8:39
#20851
10K
6.21 mi11:38:4954:028:4227:12
8:46
#21297
15K
9.32 mi12:06:131:21:268:4527:24
8:50
#21466
20K
12.43 mi12:34:211:49:348:4928:08
9:04
#21629
HALF
13.11 mi12:40:201:55:338:495:59
8:47
#21619
25K
15.53 mi13:02:432:17:568:5322:23
9:14
#21691
30K
18.64 mi13:34:122:49:259:0631:29
10:09
#22136
20M
20.00 mi13:47:413:02:549:0913:29
9:56
#22169
21M
21.00 mi13:58:573:14:109:1511:16
11:16
#22326
35K
21.75 mi14:06:163:21:299:167:19
9:47
#22338
23M
23.00 mi14:19:483:35:019:2113:32
10:49
#22476
24M
24.00 mi14:30:513:46:049:2611:03
11:03
#22638
40K
24.85 mi14:39:403:54:539:288:49
10:19
#22625
25.2M
25.20 mi14:43:473:59:009:304:07
11:57
#22665
FINISH
26.22 mi14:53:494:09:029:3110:02
9:51
#22683
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi208518087808721844(Top 75%)8567(Top 68%)8567(Top 493%)
10K6.21 mi3.10 mi21297-4468310-2238310-22321700(Top 75%)8499(Top 68%)8499(Top 489%)
15K9.32 mi3.11 mi21466-1698396-868396-8621844(Top 75%)8567(Top 68%)8567(Top 493%)
20K12.43 mi3.11 mi21629-1638478-828478-8222175(Top 76%)8754(Top 70%)8754(Top 504%)
HALF13.11 mi0.68 mi21619+108476+28476+221769(Top 75%)8532(Top 68%)8532(Top 491%)
25K15.53 mi2.42 mi21691-728505-298505-2922159(Top 76%)8759(Top 70%)8759(Top 504%)
30K18.64 mi3.11 mi22136-4458757-2528757-25223461(Top 81%)9539(Top 76%)9539(Top 549%)
20M20.00 mi1.36 mi22169-338782-258782-2522385(Top 77%)9050(Top 72%)9050(Top 521%)
21M21.00 mi1.00 mi22326-1578879-978879-9723691(Top 82%)9805(Top 78%)9805(Top 564%)
35K21.75 mi0.75 mi22338-128898-198898-1922583(Top 78%)9247(Top 74%)9247(Top 532%)
23M23.00 mi1.25 mi22476-1388995-978995-9724100(Top 83%)10110(Top 80%)10110(Top 582%)
24M24.00 mi1.00 mi22638-1629095-1009095-10025210(Top 87%)10697(Top 85%)10697(Top 616%)
40K24.85 mi0.85 mi22625+139108-139108-1322760(Top 78%)9487(Top 75%)9487(Top 546%)
25.2M25.20 mi0.35 mi22665-409133-259133-2524345(Top 84%)10303(Top 82%)10303(Top 593%)
FINISH26.22 mi1.02 mi22683-189148-159148-1523434(Top 81%)9829(Top 78%)9829(Top 566%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21844

Females

8567

F40-44

8567

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21700

Females

8499

F40-44

8499

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21844

Females

8567

F40-44

8567

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22175

Females

8754

F40-44

8754

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21769

Females

8532

F40-44

8532

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22159

Females

8759

F40-44

8759

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23461

Females

9539

F40-44

9539

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22385

Females

9050

F40-44

9050

20M→21M

20.0 - 21.0 mi

Top 82%
×8
+106ft-24ft

Overall

23691

Females

9805

F40-44

9805

21M→35K

21.0 - 21.8 mi

Top 78%
×7
+17ft-86ft

Overall

22583

Females

9247

F40-44

9247

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24100

Females

10110

F40-44

10110

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25210

Females

10697

F40-44

10697

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22760

Females

9487

F40-44

9487

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1
+13ft-16ft

Overall

24345

Females

10303

F40-44

10303

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
×2
+22ft-21ft

Overall

23434

Females

9829

F40-44

9829

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
861
Passed By
2693
Net Change
-1832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20851
5K → 10K115561-446#20851#21297
10K → 15K119288-169#21297#21466
15K → 20K112275-163#21466#21629
20K → HALF3525+10#21629#21619
HALF → 25K106178-72#21619#21691
25K → 30K68513-445#21691#22136
30K → 20M80113-33#22136#22169
20M → 21M34191-157#22169#22326
21M → 35K4759-12#22326#22338
35K → 23M36174-138#22338#22476
23M → 24M14176-162#22476#22638
24M → 40K6148+13#22638#22625
40K → 25.2M444-40#22625#22665
25.2M → FINISH3048-18#22665#22683
TOTALS8612693-1832
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing